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2014 - 06
Rev. A00
Contents
1 Working on Your Computer...................................................................................5
Before Working Inside Your Computer................................................................................................ 5
Use the following safety guidelines to help protect your computer from potential damage and to help to
ensure your personal safety. Unless otherwise noted, each procedure included in this document assumes
that the following conditions exist:
•You have read the safety information that shipped with your computer.
•A component can be replaced or--if purchased separately--installed by performing the removal
procedure in reverse order.
WARNING: Disconnect all power sources before opening the computer cover or panels. After you
finish working inside the computer, replace all covers, panels, and screws before connecting to
the power source.
WARNING: Before working inside your computer, read the safety information that shipped with
your computer. For additional safety best practices information, see the Regulatory Compliance
Homepage at
CAUTION: Many repairs may only be done by a certified service technician. You should only
perform troubleshooting and simple repairs as authorized in your product documentation, or as
directed by the online or telephone service and support team. Damage due to servicing that is
not authorized by Dell is not covered by your warranty. Read and follow the safety instructions
that came with the product.
CAUTION: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or
by periodically touching an unpainted metal surface, such as a connector on the back of the
computer.
CAUTION: Handle components and cards with care. Do not touch the components or contacts
on a card. Hold a card by its edges or by its metal mounting bracket. Hold a component such as a
processor by its edges, not by its pins.
CAUTION: When you disconnect a cable, pull on its connector or on its pull-tab, not on the cable
itself. Some cables have connectors with locking tabs; if you are disconnecting this type of cable,
press in on the locking tabs before you disconnect the cable. As you pull connectors apart, keep
them evenly aligned to avoid bending any connector pins. Also, before you connect a cable,
ensure that both connectors are correctly oriented and aligned.
NOTE: The color of your computer and certain components may appear differently than shown in
this document.
www.dell.com/regulatory_compliance
5
To avoid damaging your computer, perform the following steps before you begin working inside the
computer.
1.Ensure that your work surface is flat and clean to prevent the computer cover from being scratched.
2.Turn off your computer (see Turning Off Your Computer).
CAUTION: To disconnect a network cable, first unplug the cable from your computer and
then unplug the cable from the network device.
3.Disconnect all network cables from the computer.
4.Disconnect your computer and all attached devices from their electrical outlets.
5.Press and hold the power button while the computer is unplugged to ground the system board.
6.Remove the cover.
CAUTION: Before touching anything inside your computer, ground yourself by touching an
unpainted metal surface, such as the metal at the back of the computer. While you work,
periodically touch an unpainted metal surface to dissipate static electricity, which could
harm internal components.
Recommended Tools
The procedures in this document may require the following tools:
•Small flat-blade screwdriver
•Phillips screwdriver
•Small plastic scribe
6
Turning Off Your Computer
CAUTION: To avoid losing data, save and close all open files and exit all open programs before
you turn off your computer.
1.Shut down the operating system:
•In Windows 8.1:
– Using a touch-enabled device:
a.Swipe in from the right edge of the screen, opening the Charms menu and select
Settings.
b.Select the and then select Shut down.
– Using a mouse:
a.Point to upper-right corner of the screen and click Settings.
b.Click the and select Shut down.
•In Windows 7:
1.Click Start.
2.Click Shut Down.
or
1.Click Start.
2.Click the arrow in the lower-right corner of the Start menu as shown below, and then click
Shut Down .
2.Ensure that the computer and all attached devices are turned off. If your computer and attached
devices did not automatically turn off when you shut down your operating system, press and hold
the power button for about 6 seconds to turn them off.
After Working Inside Your Computer
After you complete any replacement procedure, ensure you connect any external devices, cards, and
cables before turning on your computer.
1.Replace the cover.
CAUTION: To connect a network cable, first plug the cable into the network device and then
plug it into the computer.
2.Connect any telephone or network cables to your computer.
3.Connect your computer and all attached devices to their electrical outlets.
4.Turn on your computer.
5.If required, verify that the computer works correctly by running the Dell Diagnostics.
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Important Information
NOTE: Avoid using the touchscreen in dusty, hot, or humid environments.
NOTE: Sudden change in temperature may cause condensation on the inner surface of the glass
screen, which will disappear after a short time and does not affect normal usage.
8
Removing and Installing Components
This section provides detailed information on how to remove or install the components from your
computer.
System Overview
2
Figure 1. Inside View – 1
1.system board shield
2.memory shield
3.I/O board shield
4.speaker cover
5.power-supply diagnostic board
6.power-supply fan
7.converter board
8.power and on-screen display (OSD) buttons board
9.intrusion switch
10. optical drive
11. power-supply fan bracket
12. power-supply unit
13. VESA mount bracket
9
Figure 2. Inside View – 2
1.processor2.coin-cell battery
3.memory module4.WLAN card
5.left side lock latch6.hard drive
7.speaker8.system board
9.processor fan10.speaker
11.right side lock latch12.optical-drive cable
13.display bracket14.heatsink assembly
Removing the VESA Stand
1.Follow the procedures in Before Working Inside Your Computer.
2.Place the computer on a flat surface, display side facing downwards.
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3.Press the button on the VESA cover to release the stand.
4.Lift the VESA stand upwards and away from the back cover.
Installing the VESA Stand
1.Align and place the VESA stand on the back of the computer.
2.Place and press the VESA cover on the computer, until it clicks into place.
3.Follow the procedures in After Working Inside Your Computer.
Removing the Back Cover
1.Follow the procedures in Before Working Inside Your Computer.
2.Remove the VESA stand.
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3.Release the latches on two sides that secure the back cover to the computer. Lift the back cover
upwards and remove it from the computer.
Installing the Back Cover
1.Align the back cover to its original position on the computer.
2.Hold locks on both sides to secure the back cover to the computer.
3.Install the VESA stand.
4.Follow the procedures in After Working Inside Your Computer.
Removing the Memory
1.Follow the procedures in Before Working Inside Your Computer.
2.Remove the:
a. VESA stand
b. back cover
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3.Lift the memory shield outwards.
4.Pry the retention clips away from the memory module until it pops-up. Lift and remove the memory
module from its connector.
Installing the Memory
1.Align the notch on the memory-card with the tab in the system-board connector.
2.Press down on the memory module until the release tabs spring back to secure them in place.
3.Place the memory shield back into its place.
4.Install the:
a. back cover
b. VESA stand
5.Follow the procedures in After Working Inside Your Computer.
Removing the VESA Mount Bracket
1.Follow the procedures in Before Working Inside Your Computer.
2.Remove the:
a. VESA stand
b. back cover
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3.Remove the screws that secure the VESA mount bracket to the computer. Lift the bracket away from
the computer.
Installing the VESA Mount Bracket
1.Align and place the bracket on the back of the computer.
2.Tighten the screws that secure the VESA mount bracket to the computer.
3.Install the:
a. back cover
b. VESA stand
4.Follow the procedures in After Working Inside Your Computer.
Removing the Power and On-Screen Display (OSD)
Buttons Board
1.Follow the procedures in Before Working Inside Your Computer.
2.Remove the:
a. VESA stand
b. back cover
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3.Perform the following steps as shown in the illustration:
a. Remove the tape that secures the power and OSD buttons board to the computer [1].
b. Lift the power and OSD buttons board from the chassis [2].
c. Disconnect the cable from the power and OSD buttons board to remove it from the computer
[3].
Installing the Power and OSD Buttons Board
1.Insert the power and OSD buttons board into its slot and fix the tape to secure it.
2.Connect the cable to the power and OSD buttons board.
3.Install:
a. back cover
b. VESA stand
4.Follow the procedures in After Working Inside Your Computer.
Removing the System-Board Shield
1.Follow the procedures in Before Working Inside Your Computer.
2.Remove the:
a. VESA stand
b. back cover
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3.Perform the following steps as shown in the illustration:
a. Press the securing tab down to release the system-board shield from the slots on the chassis [1].
b. Slide the system-board shield and lift it away from the computer [2].
Installing the System-Board Shield
1.Align and place the system-board shield on the back of the computer.
2.Tighten the screws that secure the system-board shield to the computer.
3.Install the:
a. VESA mount bracket
b. back cover
c. VESA stand
4.Follow the procedures in After Working Inside Your Computer.
Removing the Converter Board
1.Follow the procedures in Before Working Inside Your Computer.
2.Remove the:
a. VESA stand
b. back cover
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3.Disconnect the cables from the converter board.
4.Perform the following steps as shown in the illustration:
a. Disconnect the display-backlight cable from the connectors on the converter board [1].
b. Disconnect the converter-board cable from the connectors on the converter board [2].
c. Remove the screws that secure the converter board to the computer [3].
d. Lift the converter board away from the computer [4].
Installing the Converter Board
1.Place the convertor board into its place.
2.Tighten the screws to secure the converter board to the computer.
3.Connect the converter-board cable and display-backlight cable to the connectors on the converter
board.
4.Install the:
a. back cover
b. VESA stand
5.Follow the procedures in After Working Inside Your Computer.
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Removing the Coin-Cell Battery
1.Follow the procedures in Before Working Inside Your Computer.
2.Remove the:
a. VESA stand
b. back cover
c. system-board shield
3.Press the release latch away from the battery. The battery pops-out from the socket; lift the coin-cell
battery out of the computer.
Installing the Coin-Cell Battery
1.Place the coin-cell battery into its slot on the system board.
2.Press the coin-cell battery downward until the release latch springs back into place and secures it.
3.Install:
a. system-board shield
b. base cover
c. VESA stand
4.Follow the procedures in After Working Inside Your Computer.
Removing the Optical Drive
1.Follow the procedures in Before Working Inside Your Computer.
2.Remove the:
a. VESA stand
b. back cover
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3.Perform the following steps as shown in the illustration:
a. Press the securing tab down to release the optical drive [1].
b. Slide the optical drive outward to remove it from the computer [2].
4.Perform the following steps as shown in the illustration:
a. Disconnect the optical-drive cables from the connector on the system board [1] [2].
b. Unthread the cable from the notches of the computer [3].
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